| Clearfield to McKeesport (Pennsylvania) | 1,676.28 mi (2,697.71 km) |
| Clearfield to McKinleyville (California) | 628.31 mi (1,011.17 km) |
| Clearfield to McKinney (Texas) | 1,004.28 mi (1,616.24 km) |
| Clearfield to McLean (Virginia) | 1,836.60 mi (2,955.73 km) |
| Clearfield to McMinnville (Oregon) | 629.64 mi (1,013.31 km) |
| Clearfield to McMinnville (Tennessee) | 1,463.37 mi (2,355.07 km) |
| Clearfield to McNair (Virginia) | 1,825.23 mi (2,937.43 km) |
| Clearfield to McPherson (Kansas) | 785.13 mi (1,263.54 km) |
| Clearfield to Mead Valley (California) | 578.97 mi (931.77 km) |
| Clearfield to Meadow Woods (Florida) | 1,937.37 mi (3,117.90 km) |
| Clearfield to Meadowbrook (Virginia) | 1,853.22 mi (2,982.47 km) |
| Clearfield to Meadville (Pennsylvania) | 1,643.69 mi (2,645.26 km) |
| Clearfield to Mebane (North Carolina) | 1,791.26 mi (2,882.75 km) |
| Clearfield to Mechanicsville (Virginia) | 1,855.03 mi (2,985.38 km) |
| Clearfield to Medford (Massachusetts) | 2,090.08 mi (3,363.66 km) |
